A true bug: aquatic bug adapted to living in or on the surface of.

半翅目长虫；栖虫适于生活在水面或水面上方。

A true bug: bug that damages and stains the lint of developing cotton.

半翅目长虫；破坏并污染正在发育的棉绒。

A true bug: large aquatic bug adapted to living in or on the surface of water.

半翅目长虫；大型水栖虫适于生活在水面或水面上方。

In many null-pointer exceptions, the true bug occurs where the variable is actually assigned to null.

在许多空指针异常中，真正的错误出现在变量被赋为空值的地方。

This ensures that you get to know if, due to a bug in the code in this function, the conditions that you expect to be true on exit, are not.

如果由于该函数中代码的错误，您期望退出时为真的条件并不为真，那么这些断言能够确保您知道这一点。